Re: STL loops through a list with one element more than once! Why?

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#23

From: Doug Morgan
Date: Tue, 02 Jan 1996 20:31

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X-Original-Date: 02 Jan 1996 18:54:44 GMT

In article <4c1n8o$2jn@netlab.cs.rpi.edu> Bowden Wise <wiseb@cs.rpi.edu> writes:
>...
>    for (_itemIter  =   _itemList.begin();
>         _itemIter  !=  _itemList.end();
>         _itemIter++)
>    {
>...
>       _itemList.erase (_itemIter);
>    }
> ...
> Any ideas why the _itemIter != _itemList.end() test of the for
> loop is failing?  Anyone else encountered this?

The erase() invalidates _itemIter.  Continuing the loop is therefore
invalid.  Use _itemList.erase(_itemList.begin(), _itemList.end())
instead.

Doug
----------
Doug Morgan         TEL: (415) 960-7444 Booz-Allen & Hamilton, Inc. 
doug@ads.com (UNIX) FAX: (415) 960-7500 1500 Plymouth St.            
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From: doug@monet.ads.com (Doug Morgan)
Newsgroups: comp.lang.c++.moderated,comp.lang.c++,comp.os.ms-windows.programmer.misc
Subject: Re: STL loops through a list with one element more than once!  Why?
Date: 2 Jan 1996 20:31:03 -0000
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